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Phone Samsung Galaxy Attain 4G Samsung SCH-A990 Cricket Debut Smart Samsung Byline R310 Samsung SCH-A310
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? 5.5" diag.
18 : 9
1.8" diag.
4 : 3
?
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (STN)
128 x 128 pixels
LCD (Grayscale)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 1,650 mAh 1,000 mAh 2,500 mAh 800 mAh ?
Processor ? ? 2 GHz MediaTek Helio A22 (MT6761V) ? ?
RAM 512 MB ? 3 GB ? ?
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware ? raw hardware
Main Camera 3 megapixel 3 megapixel 5 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture WVGA / 480p ? 1080p HD - -
Front Camera 1 megapixel - 5 megapixel - -
Weight 4.2 oz
(119g)
4.4 oz
(125g)
5.64 oz
(160g)
3.25 oz
(92g)
3.2 oz
(91g)
Dimensions 4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.87" x 2.83" x 0.38"
(149 x 72 x 9.7 mm)
3.5" x 1.7" x 0.77"
(89 x 43 x 19.6 mm)
3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
Form Factor Slab Clamshell Slab Clamshell Clamshell
Platform / OS Android (proprietary) Android (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4

CDMA: 850, 1700, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 2, 4, 5

CDMA: 850, 1700, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 3) EVDO r0 LTE (Cat 4) 1xRTT 1xRTT
Features 
Flashlight - Yes Yes - -
GPS / Location n/a Yes n/a Yes Yes
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
-
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display - Yes - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
USB Yes
Micro-USB
Yes Yes
USB Type C
- Yes
Wi-Fi Yes - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes -
Ringer ID n/a Yes n/a Yes -
Voice Dialing n/a Yes n/a Yes Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics n/a Yes n/a Yes -
Custom Ringtones n/a Yes n/a Yes -
Real-Music Ringers n/a Yes n/a - -
Data & Network
Data Tethering n/a Yes n/a - Yes
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client n/a - n/a - -
EMS / Picture Messaging n/a Yes n/a - -
Instant Messaging n/a - n/a - -
MMS n/a Yes n/a Yes -
Text Messaging Templates n/a Yes n/a Yes -
Music
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes n/a - -
Stereo Speakers - Yes - - -
Photo & Video
DLNA Yes - - - -
TV Output - Yes - - -
Productivity
Alarm n/a Yes n/a Yes -
Calculator n/a Yes n/a Yes -
Calendar n/a Yes n/a Yes Yes
Voice Memo n/a Yes n/a - Yes
Software
BREW n/a Yes n/a Yes -
Games n/a Yes n/a Yes Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a - n/a - Yes
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes -
  Samsung Galaxy Attain 4G Samsung SCH-A990 Cricket Debut Smart Samsung Byline R310 Samsung SCH-A310
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Phone Samsung Galaxy Attain 4G Samsung SCH-A990 Cricket Debut Smart Samsung Byline R310 Samsung SCH-A310

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